Volcano earthquake report for Saturday, 8 Aug 2026

Quakes detected near: Agua (1 quake mag 1.2), Apaneca Range (2 quakes between mag 1.6-1.8), Apo (1 quake mag 3.4), Balut (12 quakes between mag 1.4-4.6), Campi Flegrei (Phlegrean Fields) (7 quakes between mag 0.1-1.3), Clear Lake (15 quakes between mag 0.2-1.6)
Cumbal (5 quakes between mag 2.1-3.7), Eldey (21 quakes between mag 0.0-1.2), Gagak (5 quakes between mag 2.3-3.2), Hekla (4 quakes between mag 0.2-1.4), Katla (1 quake mag 2.1), Kilauea (4 quakes between mag 1.8-2.1), Krísuvík (3 quakes between mag 0.7-1.1), Leonard Range (1 quake mag 2.2), Maroa (1 quake mag 1.9), Mauna Kea (1 quake mag 2.0), Maunaloa (2 quakes between mag 1.7-2.0), Mayotte Island (1 quake mag 1.3), Methana (2 quakes between mag 1.1-1.5), Michoacán-Guanajuato (1 quake mag 3.7), Prestahnukur (1 quake mag 1.5), Reporoa (4 quakes between mag 1.5-2.2), San Pablo (1 quake mag 3.0), Sandal (1 quake mag 1.1), Santorini (1 quake mag 1.8), Semeru (1 quake mag 2.6), Sousaki (2 quakes between mag 0.6-1.2), Süphan Dağ (1 quake mag 1.8), Tenorio (1 quake mag 2.2), Tjörnes Fracture Zone (4 quakes between mag 0.3-1.0), Trident (1 quake mag 1.3), Tsurumi (1 quake mag 2.8), Whale Island (1 quake mag 1.4) (updated 13h50)

Note: Earthquakes within 20 km from and at depths less than 50 km under active volcanoes are reported. The list is not complete because many volcanoes are not monitored and/or seismic data in high resolution is not available publicly.

Volcanoes with recent earthquakes above magnitude 2 or more than 10 quakes are listed below:

Apo volcano (Mindanao): magnitude 3.4 earthquake

A magnitude 3.4 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.00 km depth at 16 km distance NE from the volcano.
Earthquake details:
3.4 quake 24 km northwest of Davao City, Province of Davao del Sur, Davao, Philippines, Aug 8, 2026 05:32 am (Manila time) (16 km NE)
All earthquakes at Apo
Apo volcano (2938 m) on Mindanao forms the highest peak of the Philippines. Its volcanic history is not well known, but although there are no historic eruptions it is considered to be active.

The volcano has an extensive hydrothermal field with ongoing geothermal exploration. Small shallow earthquakes related to this activity are common.

Balut volcano (Mindanao): 12 earthquakes up to magnitude 4.6

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 43.00 and 6.00 km.
Earthquake details: (only 5 largest)
4.6 quake Celebes Sea, 38 km south of Sarangani Island, Philippines, Aug 8, 2026 10:44 am (GMT +8) (12 km S)
4.3 quake Celebes Sea, 20 km northwest of Sarangani Island, Philippines, Aug 8, 2026 12:26 pm (Manila time) (15 km NNW)
2.8 quake Province of Davao del Sur, 10.6 km west of Sarangani, Philippines, Aug 8, 2026 04:59 pm (GMT +8) (2 km NNW)
2.8 quake Celebes Sea, 20 km south of Sarangani Island, Philippines, Aug 8, 2026 01:41 am (GMT +8) (18 km SSE)
2.8 quake Celebes Sea, 29 km west of Sarangani Island, Philippines, Aug 7, 2026 10:59 pm (GMT +8) (17 km WSW)
All earthquakes at Balut

Clear Lake volcano (California): 15 earthquakes up to magnitude 1.6

Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 2.71 and 1.48 km.
Earthquake details: (only 5 largest)
1.6 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Aug 8, 2026 01:36 am (GMT -7) (16 km SSW)
1.5 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Aug 8, 2026 12:53 am (GMT -7) (16 km SSW)
1.4 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Aug 7, 2026 01:39 pm (GMT -7) (17 km S)
0.9 quake Lake County, 28 mi north of Santa Rosa, Sonoma County, California, United States, Aug 7, 2026 10:52 am (GMT -7) (15 km S)
0.8 quake Lake County, 28 mi north of Santa Rosa, Sonoma County, California, United States, Aug 7, 2026 03:45 pm (GMT -7) (15 km S)
All earthquakes at Clear Lake

Cumbal volcano (Colombia): 5 earthquakes up to magnitude 3.7

5 earthquakes occurred near (under) the volcano during 8 hours, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 7.60 and 5.00 km.
Earthquake details:
3.7 quake 19 km west of Ipiales, Departamento de Narino, Colombia, Aug 7, 2026 12:49 pm (Bogota time) (16 km SSE)
3.5 quake 18 km west of Ipiales, Departamento de Narino, Colombia, Aug 7, 2026 09:11 pm (Guayaquil time) (16 km SSE)
2.5 quake 23 km west of Ipiales, Departamento de Narino, Colombia, Aug 7, 2026 09:13 pm (GMT -5) (13 km SSE)
2.1 quake 23 km west of Ipiales, Departamento de Narino, Colombia, Aug 7, 2026 03:09 pm (GMT -5) (13 km SSE)
2.1 quake 24 km west of Ipiales, Departamento de Narino, Colombia, Aug 7, 2026 01:14 pm (GMT -5) (12 km S)
All earthquakes at Cumbal

Eldey volcano (Iceland): 21 earthquakes up to magnitude 1.2

Possible earthquake swarm: 21 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 13.50 and 0.10 km.
Earthquake details: (only 5 largest)
1.2 quake Iceland: 6.2 km NW of Reykjanestá Aug 7, 2026 06:49 pm (Reykjavik time) (15 km NE)
1.1 quake 5.5 km WNW of Reykjanestá Aug 7, 2026 07:34 pm (Universal Time) (13 km NE)
1.1 quake 5.7 km WNW of Reykjanestá Aug 7, 2026 06:45 pm (Universal Time) (13 km NE)
0.9 quake 4.3 km WNW of Reykjanestá Aug 8, 2026 08:43 am (Universal Time) (14 km NE)
0.9 quake Iceland: 4.4 km W of Reykjanestá Aug 7, 2026 10:50 pm (Reykjavik time) (13 km NE)
All earthquakes at Eldey
Eldey is located at the beginning of the Reykjanes Ridge off the SW tip of Iceland. Its highest elevation is the top of Eldey Island, but most of the volcanic edifice is submerged.

Several eruptions occurred in historic times, last in 1926.

Gagak volcano (West Java): 5 earthquakes up to magnitude 3.2

5 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 42.00 and 6.00 km.
Earthquake details:
3.2 quake Bogor Regency, 17 km northwest of Cicurug, Indonesia, Aug 8, 2026 06:45 am (Jakarta time) (1 km NW)
2.6 quake Bogor Regency, 21 km northwest of Cicurug, Indonesia, Aug 8, 2026 05:05 pm (GMT +7) (10 km N)
2.5 quake Bogor Regency, 20 km west of Cicurug, Kabupaten Sukabumi, Jawa Barat, Indonesia, Aug 8, 2026 06:45 pm (GMT +7) (4 km W)
2.4 quake 18 km southwest of Ciampea, Bogor Regency, Jawa Barat, Indonesia, Aug 8, 2026 08:42 am (GMT +7) (12 km NW)
2.3 quake 23 km west of Cicurug, Kabupaten Sukabumi, Jawa Barat, Indonesia, Aug 8, 2026 05:32 am (GMT +7) (8 km WSW)
All earthquakes at Gagak

Katla volcano (Iceland): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 23 hours ago. The quake, which might be volcanic in origin, was located at a depth of 1.10 km depth at 7 km distance W from the volcano.
Earthquake details:
2.1 quake 2.7 km E of Goðabunga Aug 7, 2026 02:21 pm (Universal Time) (7 km W)
All earthquakes at Katla

Kilauea volcano (Hawai'i (Big Island)): 4 earthquakes up to magnitude 2.1

4 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 36.55 and 29.15 km.
Earthquake details:
2.1 quake 31 mi southwest of Hilo, Hawaii County, Hawaii, United States, Aug 7, 2026 05:18 pm (Universal Time) (9 km SSW)
1.9 quake 31 mi southwest of Hilo, Hawaii County, Hawaii, United States, Aug 7, 2026 11:50 am (GMT -10) (9 km SSW)
1.8 quake 31 mi south of Hilo, Hawaii County, Hawaii, United States, Aug 7, 2026 09:38 pm (GMT -10) (11 km SSE)
1.8 quake 25 mi southwest of Hilo, Hawaii County, Hawaii, United States, Aug 7, 2026 05:33 am (GMT -10) (4 km E)
All earthquakes at Kilauea

Leonard Range volcano (Mindanao): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.00 km depth at 17 km distance NNE from the volcano.
Earthquake details:
2.2 quake 9.4 km east of San Mariano, Davao de Oro, Davao, Philippines, Aug 8, 2026 12:07 am (GMT +8) (17 km NNE)
All earthquakes at Leonard Range

Michoacán-Guanajuato volcano (Western & Central Mexico): magnitude 3.7 earthquake

A magnitude 3.7 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 7.90 km depth at 11 km distance SSE from the volcano.
Earthquake details:
3.7 quake 15 km west of Uruapan, Estado de Michoacan de Ocampo, Mexico, Aug 7, 2026 09:39 am (Mexico City time) (11 km SSE)
All earthquakes at Michoacán-Guanajuato

Reporoa volcano (New Zealand): 4 earthquakes up to magnitude 2.2

4 earthquakes occurred near (under) the volcano during 38 minutes, the last being recorded quake 19 hours ago. Hypocenter depths ranged between 4.70 and 3.80 km.
Earthquake details:
2.2 quake 18 km northeast of Taupo, Waikato, New Zealand, Aug 8, 2026 06:57 am (GMT +12) (18 km SW)
2.1 quake 18 km northeast of Taupo, Waikato, New Zealand, Aug 8, 2026 06:41 am (GMT +12) (18 km SW)
1.9 quake 17 km northeast of Taupo, Waikato, New Zealand, Aug 8, 2026 06:19 am (GMT +12) (19 km SW)
1.5 quake 17 km northeast of Taupo, Waikato, New Zealand, Aug 8, 2026 06:32 am (GMT +12) (19 km SW)
All earthquakes at Reporoa

San Pablo volcano (Luzon Island): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 19 km distance WNW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 6.4 km southwest of Calamba, Province of Laguna, Calabarzon, Philippines, Aug 8, 2026 02:14 am (GMT +8) (19 km WNW)
All earthquakes at San Pablo

Semeru volcano (East Java): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 13 hours ago. The quake, which might be volcanic in origin, was located at a depth of 22.00 km depth at 12 km distance W from the volcano.
Earthquake details:
2.6 quake Kabupaten Malang, 24 km southeast of Malang, Kota Malang, Jawa Timur, Indonesia, Aug 8, 2026 07:46 am (GMT +7) (12 km W)
All earthquakes at Semeru

Tenorio volcano (Costa Rica): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.00 km depth at 11 km distance SSE from the volcano.
Earthquake details:
2.2 quake 21 km northeast of Canas, Provincia de Guanacaste, Costa Rica, Aug 8, 2026 12:44 am (Costa_Rica time) (11 km SSE)
All earthquakes at Tenorio

Tsurumi volcano (Kyushu): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 12 km distance W from the volcano.
Earthquake details:
2.8 quake 19 km west of Beppu, Oita Prefecture, Japan, Aug 8, 2026 01:10 am (GMT +9) (12 km W)
All earthquakes at Tsurumi
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